//打印数组内所有值
#include <stdio.h>
int main()
{
    int arr[10] = {10,11,12,13,14,15,16,17,18,19};
    //循环数组下标0-9
    int i = 0;
    while (i < 10)
    {
        printf("%d ",arr[i]); //10 11 12 13 14 15 16 17 18 19
        i = i + 1;
    }
    return 0;
}